ShareSmall-scale liquefaction of hydrogen.
Author(s) : WALKER G., WEISS M., READER G., FAUVEL O. R.
Type of article: Article
Summary
Hydrogen may be stored compactly as a cryogenic liquid at low pressure and temperature, ie 20 K at atmospheric pressure. Gaseous hydrogen at normal temperature may be liquefied on a small scale using a cryogenic refrigerator (cryocooler). Stirling refrigerators are well suited to this duty. These machines operate on a closed thermodynamic regenerative cycle with compression and expansion of the working fluid (helium) at different temperature levels. Very low temperature Stirling refrigerators have several stages of expansion, typically two or three for a hydrogen liquefier.
Details
- Original title: Small-scale liquefaction of hydrogen.
- Record ID : 1993-3085
- Languages: English
- Source: Int. J. Hydrog. Energy - vol. 17 - n. 8
- Publication date: 1992
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